/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #8b5cf6;
    --secondary-color: #a855f7;
    --accent-color: #ec4899;
    --light-bg: #ffffff;
    --lighter-bg: #fafafa;
    --dark-bg: #f8fafc;
    --darker-bg: #f1f5f9;
    --card-bg: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f97316 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 1rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.4);
    --shadow-glow-hover: 0 0 40px rgba(139, 92, 246, 0.6);
    --shadow-card: 0 4px 20px rgba(139, 92, 246, 0.1);
    --shadow-card-hover: 0 8px 30px rgba(139, 92, 246, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    background: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Elements */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 1;
    }

    50% {
        transform: translateY(-20px) rotate(1deg);
        opacity: 0.8;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 20px rgba(139, 92, 246, 0.1);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(139, 92, 246, 0.15);
    transform: translateY(0);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
}

.nav-brand::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.nav-brand:hover::after {
    width: 100%;
}

.nav-brand:hover {
    transform: translateY(-2px);
}

.brand-icon {
    color: var(--primary-color);
    font-size: 2rem;
    animation: brandPulse 4s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.3));
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

@keyframes brandPulse {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
        filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.3));
    }

    50% {
        transform: scale(1.1) rotate(5deg);
        filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.6));
    }
}

.nav-menu {
    display: flex;
    /* gap: var(--spacing-xl); */
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    background: transparent;
    border: 2px solid transparent;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.2);
    transform: translateY(-2px);
}

.nav-link.active {
    color: white;
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.nav-link.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.nav-toggle:hover {
    background: var(--darker-bg);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.bar {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition-normal);
    border-radius: 3px;
}

.nav-toggle:hover .bar {
    background: var(--secondary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 40% 80%, rgba(168, 85, 247, 0.3) 0%, transparent 60%);
    pointer-events: none;
    animation: heroGradientShift 15s ease-in-out infinite;
}

@keyframes heroGradientShift {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.08"><circle cx="30" cy="30" r="2"/></g></svg>');
    pointer-events: none;
    animation: patternFloat 25s linear infinite;
}

@keyframes patternFloat {
    0% {
        transform: translateX(0) translateY(0);
    }

    100% {
        transform: translateX(-60px) translateY(-60px);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    -webkit-background-clip: text;
    /* -webkit-text-fill-color: transparent; */
    background-clip: text;
    text-shadow: none;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-mono);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xs);
}

.hero-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow-hover);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.time-display {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.time-display::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: timeDisplayRotate 10s linear infinite;
    pointer-events: none;
}

@keyframes timeDisplayRotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.time-display:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.current-time {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: white;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.current-date {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xs);
}

.timezone-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    position: absolute;
    color: var(--primary-color);
    font-size: 2rem;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.float-element:nth-child(1) {
    top: 20%;
    left: 10%;
}

.float-element:nth-child(2) {
    top: 60%;
    right: 10%;
}

.float-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* Animation Classes */
.animate-in {
    animation: slideInUp 0.6s ease-out forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.section-header.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation */
.feature-card,
.use-case-card,
.faq-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.feature-card.animate-in,
.use-case-card.animate-in,
.faq-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}



/* Particles */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Enhanced Glow Effects */
.glow-on-hover {
    position: relative;
    transition: all 0.3s ease;
}

.glow-on-hover:hover {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

/* Text Glow */
.text-glow {
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(139, 92, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(139, 92, 246, 0);
    }
}

/* Gradient Border Animation */
.gradient-border {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: gradientRotate 3s linear infinite;
}

@keyframes gradientRotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Tools Section */
.tools-section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--lighter-bg);
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-xxl) * 1.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.tools-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.tools-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 1;
}

/* Scroll indicators for tabs - 仅移动端 */
@media (max-width: 768px) {
    .tool-tabs::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 20px;
        background: linear-gradient(to left, var(--lighter-bg), transparent);
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .tool-tabs.scrollable::after {
        opacity: 1;
    }
}

.tools-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.15);
}

.tool-tabs {
    display: flex;
    background: var(--lighter-bg);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex-wrap: nowrap;
    min-height: 60px;
}

.tool-tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    min-width: fit-content;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.tool-content {
    padding: 0;
}

.tool-panel {
    display: none;
    padding: var(--spacing-xxl);
}

.tool-panel.active {
    display: block;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.input-group.full-width {
    grid-column: 1 / -1;
}

.input-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select {
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    width: 100%;
    min-width: 0;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 时区选择器特殊优化 */
.form-select option {
    padding: var(--spacing-sm);
    color: var(--text-primary);
    background: var(--light-bg);
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.form-select optgroup {
    font-weight: 600;
    color: var(--primary-color);
    background: var(--lighter-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.form-select optgroup option {
    padding-left: var(--spacing-md);
    font-weight: normal;
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.checkbox-group {
    display: flex;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked+.checkmark {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked+.checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.btn-calculate {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: 10px auto 0;
    min-width: 200px;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.result-panel {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: none;
}

.result-panel.show {
    display: block;
}

.countdown-display {
    margin-top: var(--spacing-xl);
    text-align: center;
    display: none;
}

.countdown-display.show {
    display: block;
}

.countdown-timer {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.countdown-item {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.countdown-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Features Section */
.features-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.05), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-card-hover);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:nth-child(even) {
    animation: cardFloatEven 6s ease-in-out infinite;
}

.feature-card:nth-child(odd) {
    animation: cardFloatOdd 6s ease-in-out infinite;
}

@keyframes cardFloatEven {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }
}

@keyframes cardFloatOdd {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(5px);
    }
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: white;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.feature-card:hover .feature-icon::before {
    opacity: 1;
    animation: iconGlow 2s linear infinite;
}

@keyframes iconGlow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.feature-stats {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.stat-highlight {
    color: var(--primary-color);
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Use Cases Section */
.use-cases-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-bg);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.use-case-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(139, 92, 246, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.2);
    border-color: var(--primary-color);
}

.use-case-card:hover::before {
    opacity: 1;
}

.use-case-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    color: white;
}

.use-case-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.use-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.use-case-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.use-case-features i {
    color: var(--success-color);
    font-size: 0.8rem;
}



/* FAQ Section */
.faq-section {
    padding: var(--spacing-xxl) 0;
    background: var(--lighter-bg);
}

.faq-container {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.05), transparent);
    transition: left 0.6s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.1);
}

.faq-item:hover::before {
    left: 100%;
}

.faq-question {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(139, 92, 246, 0.05);
}

.faq-question h3 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-main {
    flex: 1;
    max-width: 400px;
}

.footer-links-section {
    flex-shrink: 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    width: 100%;
    text-align: center;
    line-height: 1.6;

}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-links {
    list-style: none;
}


.footer-links-group h4 {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 0;
    display: inline-block;
    font-size: 15px;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom-content p {
    margin: 0;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.85rem;
}

.footer-meta span {
    opacity: 0.8;
}

/* Result Styles */
.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    align-items: start;
    /* 顶部对齐 */
}

.result-item {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    text-align: center;
    min-width: 0;
    /* 允许收缩 */
    overflow: hidden;
    /* 防止溢出 */
}

.result-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-mono);
    word-break: break-all;
    /* 允许数字换行 */
    overflow-wrap: break-word;
    /* 强制换行 */
    line-height: 1.2;
    /* 紧凑行高 */
}

.result-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    white-space: nowrap;
    /* 标签不换行 */
}

/* 特殊处理长数值（如Milliseconds） */
.result-value[data-type="milliseconds"] {
    font-size: 1.2rem;
    /* 稍小的字体 */
    line-height: 1.1;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .result-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }

    .result-value {
        font-size: 1.3rem;
        line-height: 1.1;
    }

    .result-item {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .footer-links-section {
        margin: auto;
    }

    .footer-links-group {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        align-items: center;
    }

    .footer-links-group h4 {
        width: 80%;
        text-align: center;
    }

    .result-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }

    .result-value {
        font-size: 1.1rem;
        line-height: 1.0;
    }

    .result-label {
        font-size: 0.8rem;
    }
}

.result-summary {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
}

.conversion-result {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin: var(--spacing-xl) 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.timezone-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--darker-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-width: 280px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.timezone-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
}

.timezone-item h4 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.time-display {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(139, 92, 246, 0.1);
}

.timezone-name {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.conversion-arrow {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(139, 92, 246, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.age-result {
    text-align: center;
}

.age-primary {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.age-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.age-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-right: var(--spacing-lg);
}

.age-details {
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.age-details p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.workdays-result {
    text-align: center;
}

.workdays-summary {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.workdays-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.workdays-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.workdays-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.workdays-details {
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.workdays-details p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.countdown-target {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

.countdown-active {
    text-align: center;
    padding: var(--spacing-lg);
}

.countdown-header {
    margin-bottom: var(--spacing-xl);
}

.countdown-event-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.countdown-target-date {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--lighter-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    display: inline-block;
}

.countdown-details {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.countdown-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--lighter-bg);
    border-radius: var(--radius-sm);
    min-width: 150px;
}

.info-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.info-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}



/* Unix Timestamp Converter */
.timestamp-converter {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.converter-section {
    background: var(--lighter-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.converter-section h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.converter-section h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.current-timestamp {
    text-align: center;
}

.timestamp-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--dark-bg);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.timestamp-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    user-select: all;
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.copy-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.timestamp-info {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

.input-with-button {
    display: flex;
    gap: var(--spacing-sm);
}

.input-with-button .form-input {
    flex: 1;
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.form-textarea {
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-mono);
    transition: var(--transition-fast);
    resize: vertical;
    min-height: 100px;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.timestamp-result {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.timestamp-result h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.timestamp-output {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--darker-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    user-select: all;
    position: relative;
}

.timestamp-formats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.format-item {
    background: var(--darker-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
}

.format-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.format-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    user-select: all;
}

.batch-results {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--light-bg);
}

.batch-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.batch-item:last-child {
    border-bottom: none;
}

.batch-timestamp {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.batch-date {
    font-weight: 500;
    color: var(--text-primary);
}

.result-panel.success {
    border-left: 4px solid var(--success-color);
}

.result-panel.error {
    border-left: 4px solid var(--error-color);
    color: var(--error-color);
}

.result-panel.warning {
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

/* Page-specific Styles */
.page-hero {
    padding: calc(70px + var(--spacing-xxl)) 0 var(--spacing-xxl);
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.page-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.mission-section {
    padding: var(--spacing-xxl) 0;
    background: var(--dark-bg);
}

.mission-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.mission-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.mission-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mission-icon {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.values-section {
    padding: var(--spacing-xxl) 0;
    background: var(--darker-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.value-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: white;
}

.value-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.technology-section {
    padding: var(--spacing-xxl) 0;
    background: var(--dark-bg);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.tech-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.tech-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.tech-item span {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}

.tech-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tech-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
}

.tech-feature i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.team-section {
    padding: var(--spacing-xxl) 0;
    background: var(--darker-bg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.team-member {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: white;
}

.team-member h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.member-role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.member-bio {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-section {
    padding: var(--spacing-xxl) 0;
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.contact-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.contact-method:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
    text-align: center;
}

.contact-method h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-method p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-icon {
    width: 150px;
    height: 150px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.3);
}

/* Copyright Section Styles */
.copyright-section {
    padding: var(--spacing-xxl) 0;
    background: var(--lighter-bg);
    border-top: 1px solid var(--border-color);
}

.copyright-content {
    max-width: 1200px;
    margin: 0 auto;
}

.copyright-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.copyright-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.copyright-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.copyright-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-color);
}

.copyright-item:nth-child(2)::before {
    background: var(--gradient-secondary);
}

.copyright-item:nth-child(3) .copyright-icon i {
    color: var(--success-color);
}

.copyright-item:nth-child(4) .copyright-icon i {
    color: var(--warning-color);
}

.copyright-icon {
    width: 60px;
    height: 60px;
    background: var(--darker-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-normal);
}

.copyright-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.copyright-item:hover .copyright-icon {
    background: var(--primary-color);
    transform: scale(1.1);
}

.copyright-item:hover .copyright-icon i {
    color: white;
}

.copyright-text h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.copyright-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    font-size: 1rem;
}

/* Responsive Design for Copyright Section */
@media (max-width: 768px) {
    .copyright-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .copyright-item {
        padding: var(--spacing-lg);
    }

    .copyright-icon {
        width: 50px;
        height: 50px;
    }

    .copyright-icon i {
        font-size: 1.5rem;
    }

    .copyright-text h3 {
        font-size: 1.2rem;
    }
}

/* Contact Page Styles */
.contact-methods-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-color);
}

.contact-card:nth-child(2) {
    border-color: var(--error-color);
}

.contact-card:nth-child(2)::before {
    background: linear-gradient(135deg, var(--error-color) 0%, #ff6b6b 100%);
}

.contact-card:nth-child(3) {
    border-color: var(--warning-color);
}

.contact-card:nth-child(3)::before {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ffd93d 100%);
}

.contact-card:nth-child(4) {
    border-color: var(--success-color);
}

.contact-card:nth-child(4)::before {
    background: linear-gradient(135deg, var(--success-color) 0%, #6bcf7f 100%);
}

.contact-card .contact-icon {
    width: 80px;
    height: 80px;
    background: var(--darker-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    transition: var(--transition-normal);
}

.contact-card .contact-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.contact-card:hover .contact-icon {
    background: var(--primary-color);
    transform: scale(1.1);
}

.contact-card:hover .contact-icon i {
    color: white;
}

.contact-card:nth-child(2):hover .contact-icon {
    background: var(--error-color);
}

.contact-card:nth-child(3):hover .contact-icon {
    background: var(--warning-color);
}

.contact-card:nth-child(4):hover .contact-icon {
    background: var(--success-color);
}

.contact-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-email {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--darker-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    word-break: break-all;
}

.contact-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.response-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--darker-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.response-time i {
    color: var(--success-color);
}

/* Contact Guidelines Section */
.contact-guidelines-section {
    padding: var(--spacing-xxl) 0;
    background: var(--darker-bg);
}

.guidelines-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.guidelines-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.guidelines-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.guideline-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.guideline-item i {
    font-size: 1.2rem;
    color: var(--success-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.guideline-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.guideline-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.guidelines-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.guidelines-icon {
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    box-shadow: var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-bg);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: var(--transition-normal);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-color);
}

.faq-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Contact Page Mobile Responsive Styles */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .contact-card {
        padding: var(--spacing-lg);
    }

    .contact-card .contact-icon {
        width: 60px;
        height: 60px;
    }

    .contact-card .contact-icon i {
        font-size: 1.5rem;
    }

    .contact-card h3 {
        font-size: 1.2rem;
    }

    .contact-email {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .guidelines-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .guidelines-visual {
        order: -1;
    }

    .guidelines-icon {
        width: 120px;
        height: 120px;
        font-size: 3rem;
    }

    .guideline-item {
        padding: var(--spacing-md);
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .faq-item {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {

    .contact-methods-section,
    .contact-guidelines-section,
    .faq-section {
        padding: var(--spacing-xl) 0;
    }

    .contact-card {
        padding: var(--spacing-md);
    }

    .contact-card h3 {
        font-size: 1.1rem;
    }

    .contact-email {
        font-size: 0.9rem;
        word-break: break-all;
    }

    .response-time {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .guidelines-icon {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }

    .guideline-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .guideline-item i {
        font-size: 1.5rem;
    }
}

/* Privacy and Policy Page Styles */
.privacy-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    font-weight: 500;
}

.privacy-content {
    padding: var(--spacing-xxl) 0;
    background: var(--dark-bg);
}

.privacy-content .container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xxl);
    max-width: 1200px;
}

.privacy-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.privacy-nav {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.privacy-nav h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.privacy-nav-list {
    list-style: none;
}

.privacy-nav-list li {
    margin-bottom: var(--spacing-xs);
}

.privacy-nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: block;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.privacy-nav-list a:hover {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.privacy-main {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
}

.privacy-section {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.privacy-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.privacy-section h2 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.privacy-section h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.privacy-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.privacy-intro {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.privacy-highlight-box {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.privacy-highlight-box h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.privacy-highlight-box i {
    color: var(--primary-color);
}

.privacy-highlight-box ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.privacy-highlight-box li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.last-updated {
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.privacy-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.privacy-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--darker-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.privacy-item i.no-collect {
    color: var(--error-color);
    font-size: 1.5rem;
    margin-top: 2px;
}

.privacy-item i.collect {
    color: var(--warning-color);
    font-size: 1.5rem;
    margin-top: 2px;
}

.privacy-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.privacy-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.privacy-usage-list {
    list-style: none;
    padding: 0;
}

.privacy-usage-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
    color: var(--text-secondary);
}

.storage-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.storage-item {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.storage-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.storage-item i {
    color: var(--primary-color);
}

.storage-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.third-party-service {
    background: var(--darker-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border-left: 3px solid var(--primary-color);
}

.third-party-service h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.third-party-service p {
    color: var(--text-secondary);
    margin: 0;
}

.third-party-note {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    color: var(--success-color);
}

.user-rights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.right-item {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
}

.right-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.right-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.right-item i {
    color: var(--primary-color);
}

.right-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.security-list {
    list-style: none;
    padding: 0;
}

.security-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--success-color);
    color: var(--text-secondary);
}

.response-time {
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--text-muted);
    border-left: 3px solid var(--primary-color);
}

/* Policy Page Specific Styles */
.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.service-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.service-feature:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.service-feature i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 2px;
}

.service-feature h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.service-feature p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.acceptable-uses {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
}

.use-category {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.use-category h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.use-category i {
    color: var(--success-color);
}

.use-category ul {
    list-style: none;
    padding: 0;
}

.use-category li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: rgba(0, 255, 136, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    border-left: 2px solid var(--success-color);
}

.prohibited-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.prohibited-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--error-color);
}

.prohibited-item i {
    color: var(--error-color);
    font-size: 1.5rem;
    margin-top: 2px;
}

.prohibited-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.prohibited-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.accuracy-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
}

.accuracy-commitment,
.accuracy-limitations,
.accuracy-responsibility {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.accuracy-commitment {
    border-left: 3px solid var(--success-color);
}

.accuracy-limitations {
    border-left: 3px solid var(--warning-color);
}

.accuracy-responsibility {
    border-left: 3px solid var(--primary-color);
}

.accuracy-commitment h3,
.accuracy-limitations h3,
.accuracy-responsibility h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.accuracy-commitment i {
    color: var(--success-color);
}

.accuracy-limitations i {
    color: var(--warning-color);
}

.accuracy-responsibility i {
    color: var(--primary-color);
}

.accuracy-limitations ul {
    list-style: none;
    padding: 0;
}

.accuracy-limitations li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: rgba(255, 170, 0, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.ip-content h3 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    font-size: 1.2rem;
}

.disclaimer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.disclaimer-item {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 3px solid var(--warning-color);
}

.disclaimer-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.disclaimer-item i {
    color: var(--warning-color);
}

.disclaimer-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.liability-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.liability-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--error-color);
    color: var(--text-secondary);
}

.termination-content h3 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    font-size: 1.2rem;
}

/* Responsive Design */
/* PC端 - 直接显示所有标签 */
@media (min-width: 769px) {
    .tool-tabs {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        overflow-x: visible;
        gap: 0;
    }

    .tab-btn {
        justify-content: center;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-md);
        font-size: 0.95rem;
        min-width: auto;
        flex-shrink: 1;
    }

    .tools-container {
        max-width: 1200px;
    }
}

/* 移动端和平板 - 保持滚动布局 */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .tool-tabs {
        display: flex;
        overflow-x: auto;
        padding: 0 var(--spacing-sm);
        gap: 0;
    }

    .tab-btn {
        min-width: 100px;
        padding: var(--spacing-sm);
        font-size: 0.8rem;
        flex-direction: column;
        gap: var(--spacing-xs);
        flex-shrink: 0;
    }

    .tab-btn i {
        font-size: 1.2rem;
    }

    .tools-container {
        max-width: none;
        margin: 0 var(--spacing-xs);
        border-radius: var(--radius-lg);
    }

    .tool-panel {
        padding: var(--spacing-md);
    }

    .tool-grid {
        gap: var(--spacing-sm);
    }

    /* 时区转换器移动端优化 */
    .timezone-result {
        padding: var(--spacing-md);
    }

    .conversion-result {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        max-width: none;
        margin: var(--spacing-lg) 0;
    }

    .timezone-item {
        min-width: auto;
        padding: var(--spacing-lg);
        margin: 0 auto;
        max-width: 320px;
        width: 100%;
    }

    .time-display {
        font-size: 1.5rem;
    }

    .timezone-name {
        font-size: 0.9rem;
    }

    .conversion-arrow {
        font-size: 1.5rem;
        transform: rotate(90deg);
        margin: var(--spacing-sm) 0;
    }

    .timezone-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .timezone-time {
        font-size: 1.3rem;
    }

    .timezone-location {
        font-size: 0.9rem;
    }

    /* 时区选择器移动端优化 */
    #source-timezone,
    #target-timezone {
        font-size: 14px;
        padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);
        line-height: 1.4;
        height: auto;
        min-height: 44px;
    }

    #source-timezone option,
    #target-timezone option {
        padding: var(--spacing-sm);
        line-height: 1.3;
        white-space: normal;
        word-wrap: break-word;
    }

    /* 年龄计算器移动端优化 */
    .age-result {
        padding: var(--spacing-md);
    }

    .age-main {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .age-number {
        font-size: 2rem;
    }

    .age-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .age-detail-item {
        padding: var(--spacing-sm);
    }

    /* 工作日计算器移动端优化 */
    .workdays-result {
        padding: var(--spacing-md);
    }

    .workdays-summary {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .workdays-number {
        font-size: 2rem;
    }

    .workdays-details p {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }

    /* 倒计时器移动端优化 */
    .countdown-display {
        padding: var(--spacing-md);
    }

    .countdown-timer {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .countdown-item {
        padding: var(--spacing-sm);
    }

    .countdown-number {
        font-size: 1.8rem;
    }

    .countdown-label {
        font-size: 0.8rem;
    }

    .countdown-active {
        padding: var(--spacing-md);
    }

    .countdown-header {
        margin-bottom: var(--spacing-lg);
    }

    .countdown-event-title {
        font-size: 1.4rem;
        margin-bottom: var(--spacing-sm);
    }

    .countdown-target-date {
        font-size: 1rem;
        padding: var(--spacing-sm);
    }

    .countdown-details {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .countdown-info {
        min-width: auto;
        width: 100%;
        padding: var(--spacing-sm);
    }

    /* Unix时间戳转换器移动端优化 */
    .timestamp-converter {
        gap: var(--spacing-lg);
    }

    .converter-section {
        padding: var(--spacing-md);
    }

    .converter-section h3 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-sm);
    }

    .timestamp-display {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .timestamp-value {
        font-size: 1.2rem;
        text-align: center;
    }

    .copy-btn {
        align-self: center;
    }

    .input-with-button {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .timestamp-formats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .format-item {
        padding: var(--spacing-sm);
    }

    .format-label {
        font-size: 0.75rem;
    }

    .format-value {
        font-size: 0.85rem;
        word-break: break-all;
    }

    .batch-results {
        max-height: 200px;
    }

    .batch-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }

    .batch-timestamp {
        font-size: 0.8rem;
    }

    .batch-date {
        font-size: 0.9rem;
    }

    /* 表单元素移动端优化 */
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px;
        /* 防止iOS缩放 */
        padding: var(--spacing-md);
    }

    .input-group label {
        font-size: 0.9rem;
        font-weight: 600;
    }

    .btn-calculate {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        width: 100%;
        margin-top: var(--spacing-md);
    }

    .result-panel {
        margin-top: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .result-panel h3,
    .result-panel h4 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-sm);
    }

    /* 错误和成功消息移动端优化 */
    .error-message,
    .success-message {
        font-size: 0.9rem;
        padding: var(--spacing-sm);
        margin-top: var(--spacing-xs);
    }

    /* 验证错误样式移动端优化 */
    .validation-error {
        font-size: 0.8rem;
        margin-top: var(--spacing-xs);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-xxl) var(--spacing-lg);
        gap: var(--spacing-lg);
        transition: var(--transition-normal);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-lg);
        font-size: 1.1rem;
        border-radius: var(--radius-lg);
        background: var(--card-bg);
        border: 2px solid var(--border-color);
        color: var(--text-primary);
    }

    .nav-link:hover {
        background: var(--darker-bg);
        border-color: var(--primary-color);
        transform: scale(1.02);
    }

    .nav-link.active {
        background: var(--gradient-primary);
        color: white;
        border-color: var(--primary-color);
        box-shadow: var(--shadow-card-hover);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-lg);
    }

    .hero-stats {
        justify-content: center;
        gap: var(--spacing-lg);
    }

    .stat-item {
        min-width: 100px;
    }



    .tool-grid {
        grid-template-columns: 1fr;
    }

    .countdown-timer {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .footer-main {
        width: 100%;
        max-width: none;
        margin: auto;
    }

    .result-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .age-primary {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .workdays-summary {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .mission-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tech-content {
        grid-template-columns: 1fr;
    }

    .tech-stack {
        grid-template-columns: 1fr;
        order: 2;
    }

    .tech-text {
        order: 1;
    }

    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .privacy-content .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .privacy-sidebar {
        position: static;
        order: 2;
    }

    .privacy-main {
        order: 1;
        padding: var(--spacing-lg);
    }

    .privacy-nav {
        display: none;
    }

    .storage-info {
        grid-template-columns: 1fr;
    }

    .user-rights {
        grid-template-columns: 1fr;
    }

    .service-features {
        grid-template-columns: 1fr;
    }

    .acceptable-uses {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    .tool-panel {
        padding: var(--spacing-lg);
    }

    .countdown-timer {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .current-time {
        font-size: 2rem;
    }

    .timestamp-formats {
        grid-template-columns: 1fr;
    }

    .input-with-button {
        flex-direction: column;
    }

    .timestamp-display {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .timestamp-value {
        font-size: 1.2rem;
    }

    .countdown-event-title {
        font-size: 1.4rem;
    }

    .countdown-target-date {
        font-size: 1rem;
        padding: var(--spacing-sm);
    }

    .countdown-details {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .countdown-info {
        min-width: auto;
        width: 100%;
    }
}

/* 小屏幕手机 - 更宽的工具容器 */
@media (max-width: 480px) {
    .tools-container {
        margin: 0 var(--spacing-xs);
        border-radius: var(--radius-md);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* 工具网格小屏幕优化 */
    .tool-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    /* 时区转换器小屏幕优化 */
    .timezone-item {
        padding: var(--spacing-md);
        min-width: auto;
        max-width: 280px;
    }

    .time-display {
        font-size: 1.3rem;
    }

    .timezone-name {
        font-size: 0.85rem;
    }

    .conversion-arrow {
        font-size: 1.2rem;
    }

    .timezone-time {
        font-size: 1.1rem;
    }

    .timezone-location {
        font-size: 0.8rem;
    }

    /* 年龄计算器小屏幕优化 */
    .age-number {
        font-size: 1.8rem;
    }

    .age-unit {
        font-size: 0.9rem;
    }

    /* 倒计时器小屏幕优化 */
    .countdown-timer {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-label {
        font-size: 0.75rem;
    }

    .countdown-event-title {
        font-size: 1.2rem;
    }

    /* 时间戳转换器小屏幕优化 */
    .timestamp-value {
        font-size: 1rem;
    }

    .converter-section h3 {
        font-size: 1rem;
    }

    .format-value {
        font-size: 0.8rem;
    }

    /* 按钮小屏幕优化 */
    .btn-calculate {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .btn-secondary {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }
}

/* 超小屏幕 - 最大化宽度 */
@media (max-width: 360px) {
    .tools-container {
        margin: 0 4px;
        border-radius: var(--radius-sm);
    }

    .container {
        padding: 0 var(--spacing-xs);
    }

    /* 工具面板超小屏幕优化 */
    .tool-panel {
        padding: var(--spacing-sm);
    }

    .converter-section {
        padding: var(--spacing-sm);
    }

    /* 倒计时器超小屏幕优化 */
    .countdown-timer {
        grid-template-columns: 1fr 1fr;
        gap: 4px;
    }

    .countdown-item {
        padding: var(--spacing-xs);
    }

    .countdown-number {
        font-size: 1.3rem;
    }

    .countdown-label {
        font-size: 0.7rem;
    }

    /* 时间戳显示超小屏幕优化 */
    .timestamp-display {
        padding: var(--spacing-sm);
    }

    .timestamp-value {
        font-size: 0.9rem;
    }

    /* 表单元素超小屏幕优化 */
    .form-input,
    .form-select {
        padding: var(--spacing-sm);
        font-size: 14px;
    }

    .input-group label {
        font-size: 0.8rem;
    }

    /* 按钮超小屏幕优化 */
    .btn-calculate {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }

    /* 结果显示超小屏幕优化 */
    .result-value {
        font-size: 1rem;
    }

    .result-label {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-xl) 0;
        padding-top: 75px;
    }

    /* .tool-panel { */
    /* padding: var(--spacing-lg); */
}

.countdown-timer {
    grid-template-columns: 1fr;
}

.stat-number {
    font-size: 1.5rem;
}

.current-time {
    font-size: 2rem;
}

/* Back to top button mobile styles */
.back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
}
}

/* ===== NEW SECTIONS STYLES ===== */

/* Tools Overview Section */
.tools-overview-section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--light-bg);
    position: relative;
}

.tools-overview-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.tools-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.tool-overview-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tool-overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tool-overview-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.tool-overview-card:hover::before {
    transform: scaleX(1);
}

.tool-overview-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.tool-overview-card:hover .tool-overview-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.tool-overview-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.tool-overview-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.feature-tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s ease;
}

.tool-overview-card:hover .feature-tag {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-1px);
}

/* Competitive Advantages Section */
.advantages-section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--darker-bg);
    position: relative;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.advantages-comparison {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xxl);
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.comparison-table {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-header > div {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-column {
    text-align: left !important;
    justify-content: flex-start !important;
}

.brand-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.2rem;
}

.brand-highlight i {
    color: #ffd700;
    font-size: 1.3rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.comparison-row:hover {
    background: rgba(139, 92, 246, 0.05);
}

.comparison-row:last-child {
    border-bottom: none;
}

.feature-name {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-name i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.fixzooka-value,
.competitor-value {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.fixzooka-value {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.fixzooka-value i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.competitor-value {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.competitor-value i {
    color: var(--error-color);
    font-size: 1.2rem;
}

.advantages-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.highlight-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(236, 72, 153, 0.3);
}

.highlight-card:hover::before {
    transform: scaleX(1);
}

.highlight-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.highlight-card:hover .highlight-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.4);
}

.highlight-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.highlight-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Blog Styles */
.blog-section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--lighter-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.blog-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.blog-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.blog-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.blog-icon {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.blog-content {
    padding: var(--spacing-lg);
}

.blog-title {
    margin-bottom: var(--spacing-sm);
}

.blog-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.blog-title a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-meta i {
    font-size: 0.8rem;
}

.blog-date {
    color: var(--text-muted);
}

.blog-read-time {
    color: var(--primary-color);
}

/* Newsletter Section */
.newsletter-section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.newsletter-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Article Page Styles */
.page-hero {
    padding: calc(var(--spacing-xxl) * 2) 0 var(--spacing-xxl);
    background: var(--gradient-hero);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.page-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.article-header {
    padding: var(--spacing-xxl) 0;
    padding-top: 90px;
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-category,
.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.article-category {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.article-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.article-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

.article-content {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--light-bg);
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.article-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing-xxl) * 1.5);
    padding: var(--spacing-xl);
    background: var(--darker-bg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: calc(var(--spacing-xxl) * 1.5) 0 var(--spacing-lg);
    line-height: 1.3;
    position: relative;
}

.article-body h2::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
    line-height: 1.3;
}

.article-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.article-body li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.article-body li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body pre {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5;
}

.article-body code {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.article-cta {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: calc(var(--spacing-xxl) * 1.5) 0;
}

.article-cta h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.article-cta p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.article-cta .btn-primary {
    background: white;
    color: var(--primary-color);
}

.article-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

/* Related Articles */
.related-articles {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: var(--darker-bg);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.related-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.related-card h3 {
    margin-bottom: var(--spacing-sm);
}

.related-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.related-card h3 a:hover {
    color: var(--primary-color);
}

.related-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Mobile Responsive Styles for New Sections */
@media (max-width: 768px) {
    .tools-overview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .tool-overview-card {
        padding: var(--spacing-lg);
    }

    .tool-overview-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .tool-overview-card h3 {
        font-size: 1.2rem;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .feature-column {
        text-align: center !important;
        justify-content: center !important;
    }

    .comparison-header > div,
    .feature-name,
    .fixzooka-value,
    .competitor-value {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .advantages-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .highlight-card {
        padding: var(--spacing-lg);
    }

    .highlight-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .blog-card {
        margin-bottom: var(--spacing-md);
    }

    .blog-image {
        height: 150px;
    }

    .blog-icon {
        font-size: 2.5rem;
    }

    .blog-content {
        padding: var(--spacing-md);
    }

    .blog-title a {
        font-size: 1.2rem;
    }

    .blog-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .newsletter-content {
        padding: 0 var(--spacing-sm);
    }

    .form-group {
        flex-direction: column;
    }

    .newsletter-input {
        min-width: auto;
        width: 100%;
    }

    .newsletter-btn {
        width: 100%;
        justify-content: center;
    }

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }

    .article-body {
        padding: 0 var(--spacing-sm);
    }

    .article-intro {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-xxl);
    }

    .article-body h2 {
        font-size: 1.5rem;
        margin: var(--spacing-xxl) 0 var(--spacing-md);
    }

    .article-body h2::before {
        left: -15px;
        width: 3px;
        height: 25px;
    }

    .article-body h3 {
        font-size: 1.2rem;
        margin: var(--spacing-lg) 0 var(--spacing-sm);
    }

    .article-cta {
        padding: var(--spacing-lg);
        margin: var(--spacing-xxl) 0;
    }

    .article-cta h3 {
        font-size: 1.3rem;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .related-card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .tools-overview-section,
    .advantages-section,
    .blog-section,
    .newsletter-section,
    .article-content,
    .related-articles {
        padding: var(--spacing-xxl) 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .tool-overview-card h3 {
        font-size: 1.1rem;
    }

    .highlight-card h3 {
        font-size: 1.2rem;
    }

    .blog-title a {
        font-size: 1.1rem;
    }

    .article-title {
        font-size: 1.8rem;
    }

    .article-subtitle {
        font-size: 1rem;
    }

    .article-body h2 {
        font-size: 1.3rem;
    }

    .article-body h3 {
        font-size: 1.1rem;
    }
}

/* Additional Enhancements */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.btn-primary:focus,
.newsletter-btn:focus,
.newsletter-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Print styles */
@media print {
    .navbar,
    .newsletter-section,
    .back-to-top,
    .related-articles {
        display: none;
    }

    .article-content {
        padding: 0;
    }

    .article-body {
        max-width: none;
        padding: 0;
    }

    .article-title {
        color: #000;
        font-size: 24pt;
    }

    .article-body h2 {
        color: #000;
        font-size: 18pt;
        page-break-after: avoid;
    }

    .article-body h3 {
        color: #000;
        font-size: 14pt;
        page-break-after: avoid;
    }

    .article-body p {
        color: #000;
        font-size: 12pt;
        line-height: 1.5;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #666666;
        --card-bg: #ffffff;
        --light-bg: #ffffff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #1a1a1a;
        --lighter-bg: #2a2a2a;
        --dark-bg: #0f0f0f;
        --darker-bg: #1f1f1f;
        --card-bg: #2a2a2a;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-muted: #999999;
        --border-color: #404040;
    }

    .blog-image {
        background: var(--gradient-primary);
    }

    .newsletter-input {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
        color: white;
    }
}